diff --git a/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php b/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php
index fad4a89f5..20b30b560 100644
--- a/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php
+++ b/src/Bundle/ChillMainBundle/Tests/Notification/Email/NotificationMailerTest.php
@@ -17,13 +17,18 @@ use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Notification\Email\NotificationMailer;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\Event\PostPersistEventArgs;
+use PHPUnit\Framework\MockObject\Exception;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Argument;
 use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Log\NullLogger;
 use Symfony\Component\Mailer\MailerInterface;
+use Symfony\Component\Messenger\Envelope;
+use Symfony\Component\Messenger\MessageBusInterface;
 use Symfony\Component\Mime\Email;
 use Symfony\Component\Translation\Translator;
+use Symfony\Contracts\Translation\TranslatorInterface;
+use Chill\MainBundle\Notification\Email\NotificationEmailMessages\SendImmediateNotificationEmailMessage;
 
 /**
  * @internal
@@ -112,13 +117,139 @@ class NotificationMailerTest extends TestCase
         $mailer->postPersistComment($comment, new PostPersistEventArgs($comment, $objectManager->reveal()));
     }
 
+    /**
+     * @throws \ReflectionException
+     * @throws Exception
+     */
+    public function testProcessNotificationForAddresseeWithImmediateEmailPreference(): void
+    {
+        // Create a mock notification
+        $notification = $this->prophesize(Notification::class);
+        $notification->getType()->willReturn('test_notification_type');
+        $notification->getId()->willReturn(123);
+
+        // Create a mock user
+        $user = $this->prophesize(User::class);
+        $user->getEmail()->willReturn('user@example.com');
+        $user->getId()->willReturn(456);
+        $user->getNotificationFlags()->willReturn(['test_notification_type' => 'immediate-email']);
+
+        $messageBus = $this->createMock(MessageBusInterface::class);
+        $messageBus->expects($this->once())
+            ->method('dispatch')
+            ->with($this->callback(function (SendImmediateNotificationEmailMessage $message) {
+                return 123 === $message->getNotificationId()
+                    && 456 === $message->getAddresseeId();
+            }))
+            ->willReturn(new Envelope(new \stdClass()));
+
+        $mailer = $this->buildNotificationMailer(null, $messageBus);
+
+        // Call the method that processes notifications
+        $reflection = new \ReflectionClass(NotificationMailer::class);
+        $method = $reflection->getMethod('processNotificationForAddressee');
+        $method->setAccessible(true);
+        $method->invoke($mailer, $notification->reveal(), $user->reveal());
+    }
+
+    public function testSendDailyDigest(): void
+    {
+        // Create a user
+        $user = new User();
+        $user->setEmail('user@example.com');
+
+        // Create some notifications
+        $notification = $this->prophesize(Notification::class);
+        $notification->getTitle()->willReturn('Notification 1');
+        $notification->getMessage()->willReturn('Message 1');
+        $notification->getId()->willReturn(123);
+
+        $notification2 = $this->prophesize(Notification::class);
+        $notification2->getTitle()->willReturn('Notification 2');
+        $notification2->getMessage()->willReturn('Message 2');
+        $notification2->getId()->willReturn(456);
+
+        $notifications = [$notification, $notification2];
+
+        // Mock the mailer to verify that an email is sent with the correct parameters
+        $mailer = $this->prophesize(MailerInterface::class);
+        $mailer->send(Argument::that(function ($email) use ($user) {
+            // Verify that the email is sent to the correct user
+            foreach ($email->getTo() as $address) {
+                if ($user->getEmail() === $address->getAddress()) {
+                    return true;
+                }
+            }
+
+            return false;
+        }))->shouldBeCalledOnce();
+
+        // Create a translator that returns a fixed string for the subject
+        $translator = $this->prophesize(TranslatorInterface::class);
+        $translator->trans('notification.Daily Notification Digest')->willReturn('Daily Digest');
+
+        // Create the notification mailer with the mocked mailer and translator
+        $notificationMailer = $this->buildNotificationMailer($mailer->reveal(), null, $translator->reveal());
+
+        // Call the sendDailyDigest method
+        $notificationMailer->sendDailyDigest($user, $notifications);
+    }
+
+    public function testSendDailyDigestWithNoNotifications(): void
+    {
+        // Create a user
+        $user = new User();
+        $user->setEmail('user@example.com');
+
+        // Empty notifications array
+        $notifications = [];
+
+        // Mock the mailer to verify that no email is sent
+        $mailer = $this->prophesize(MailerInterface::class);
+        $mailer->send(Argument::any())->shouldNotBeCalled();
+
+        // Create the notification mailer with the mocked mailer
+        $notificationMailer = $this->buildNotificationMailer($mailer->reveal());
+
+        // Call the sendDailyDigest method
+        $notificationMailer->sendDailyDigest($user, $notifications);
+    }
+
+    public function testSendDailyDigestWithUserHavingNoEmail(): void
+    {
+        // Create a user with no email
+        $user = new User();
+        $user->setEmail(null);
+
+        // Create some notifications
+        $notification = $this->prophesize(Notification::class);
+        $notification->getTitle()->willReturn('Notification 1');
+        $notification->getMessage()->willReturn('Message 1');
+        $notification->getId()->willReturn(123);
+
+        $notifications = [$notification];
+
+        // Mock the mailer to verify that no email is sent
+        $mailer = $this->prophesize(MailerInterface::class);
+        $mailer->send(Argument::any())->shouldNotBeCalled();
+
+        // Create the notification mailer with the mocked mailer
+        $notificationMailer = $this->buildNotificationMailer($mailer->reveal());
+
+        // Call the sendDailyDigest method
+        $notificationMailer->sendDailyDigest($user, $notifications);
+    }
+
     private function buildNotificationMailer(
         ?MailerInterface $mailer = null,
+        ?MessageBusInterface $messageBus = null,
+        ?TranslatorInterface $translator = null,
     ): NotificationMailer {
         return new NotificationMailer(
-            $mailer,
+            $mailer ?? $this->prophesize(MailerInterface::class)->reveal(),
             new NullLogger(),
-            new Translator('fr')
+            $messageBus ?? $this->prophesize(MessageBusInterface::class)->reveal(),
+            $translator ?? new Translator('fr')
         );
     }
 }